E210 -- Letters relating to a Theorem of Mr. Euler, of the Royal Academy of Sciences at Berlin, and F.R.S. for correcting the Aberrations in the Object-Glasses of refracting Telescopes.


This work concerns the theory of optical insturments.

According to the remarks on pp. 292, 293, this was presented to the “Royal Society” on July 8, 1753.

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